HI, This is Srikanth Sita I got an issue in Windows 7 office 2007 environment. I don't know whether this is known issue or not in windows 7 but i want to share this with all of you. Scope:- Environment: Windows 7 with Office 2007 ONLY Issue Reproduced with UAC Set to Default or High Issue Not Observed when UAC set to OFF. Issue Not Observed in Windows VISTA Office 2007 Steps to Reproduce:- Close Outlook 2007 and email a document ( say 'Test.docx') using right click ->send to->Mail Recipient. In Generated Email, Open the attachment by double clicking on it. Observe that document will not launch. Right click on attachment and select any of the options 'Open' or 'Print' or 'Save As' - All these will not work. Additional Information:- Outlook Will Crash If user places data in clipboard After Step2, right click on a document and select cut and close the email. Microsoft Outlook Save window appears click 'NO'. Again Microsoft Outlook window with clipboard information is being displayed, select 'No'. Observe that Outlook Crashes with 'DW20.exe' running in task manager.